<template>
  <div>
    <!--    <div style="padding: 10px 0">-->
    <!--      <el-input style="width: 200px" placeholder="请输入名称" suffix-icon="el-icon-search" v-model="name"></el-input>-->

    <!--      <el-button class="ml-5" type="primary" @click="load">搜索</el-button>-->
    <!--      <el-button type="warning" @click="reset">重置</el-button>-->
    <!--    </div>-->
    <div style="margin: 10px 0">
      <!--      <el-button type="primary" @click="handleAdd">新增<i-->
      <!--          class="el-icon-circle-plus-outline"></i></el-button>-->

      <el-popconfirm class="ml-5"
                     confirm-button-text="确定"
                     cancel-button-text="我再想想"
                     icon="el-icon-info"
                     icon-color="red"
                     title="您确定删除吗？"
                     @confirm="delBatch"
      >
        <el-button type="danger" slot="reference">批量删除<i class="el-icon-remove-outline"></i></el-button>
      </el-popconfirm>
    </div>

    <el-table
        :data="tableData"
        border
        stripe
        :header-cell-class-name="headerBg"
        @selection-change="handleSelectionChange"
    >
      <!-- @selection-change="handleSelectionChange"获取勾选的数据-->

      <el-table-column type="selection" width="55"></el-table-column>
      <el-table-column prop="id" label="id" width="80"></el-table-column>
      <el-table-column prop="examId" label="考试">
        <template v-slot="scope">
          <span v-if="exams && exams.length">{{
              exams.find(v => v.id === scope.row.examId) ? exams.find(v => v.id === scope.row.examId).name : ''
            }}</span>
        </template>
      </el-table-column>
      <!--      <el-table-column prop="paper" label="考试内容"></el-table-column>-->
      <el-table-column prop="userId" label="学生id"></el-table-column>
      <el-table-column prop="time" label="提交时间"></el-table-column>
      <el-table-column prop="score" label="得分"></el-table-column>

      <el-table-column label="操作" width="380" align="center">
        <template slot-scope="scope">

          <el-button type="success" @click="$router.push('/handlePaper?sp=' +scope.row.id )"> 阅卷<i
              class="el-icon-edit"></i></el-button>

          <el-popconfirm
              class="ml-5"
              confirm-button-text="确定"
              cancel-button-text="我再想想"
              icon="el-icon-info"
              icon-color="red"
              title="您确定删除吗？"
              @confirm="del(scope.row.id)"
          >
            <el-button type="danger" slot="reference">删除<i class="el-icon-remove-outline"></i></el-button>
          </el-popconfirm>

        </template>
      </el-table-column>
    </el-table>

    <div style="padding: 10px 0">
      <el-pagination
          @size-change="handleSizeChange"
          @current-change="handleCurrentChange"
          :current-page="pageNum"
          :page-sizes="[2, 5, 10, 20]"
          :page-size="pageSize"
          layout="total, sizes, prev, pager, next, jumper"
          :total="total"
      >
      </el-pagination>
    </div>

    <el-dialog title="信息" :visible.sync="dialogFormVisible" width="30%">
      <el-form label-width="80px" size="small">
        <el-form-item label="考试id">
          <el-input v-model="form.examId" autocomplete="off"></el-input>
        </el-form-item>

        <el-form-item label="考试内容">
          <el-input v-model="form.paper" autocomplete="off"></el-input>
        </el-form-item>

        <el-form-item label="学生id">
          <el-input v-model="form.userId" autocomplete="off"></el-input>
        </el-form-item>

        <el-form-item label="提交时间">
          <el-input v-model="form.time" autocomplete="off"></el-input>
        </el-form-item>

        <el-form-item label="得分">
          <el-input v-model="form.score" autocomplete="off"></el-input>
        </el-form-item>

      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button @click="dialogFormVisible = false">取 消</el-button>
        <el-button type="primary" @click="save">确 定</el-button>
      </div>
    </el-dialog>
  </div>
</template>
<script>

export default {
  name: "paper",
  data() {
    return {
      tableData: [],
      dialogFormVisible: false,
      name: "",
      multipleSelection: [],
      headerBg: "headerBg",
      pageNum: 1,
      pageSize: 10,
      total: 0,
      form: {},
      exams: [],
      user: localStorage.getItem("user") ? JSON.parse(localStorage.getItem("user")) : {},

    };
  },

  created() {
    this.load();
  },

  methods: {
    save() {
      this.request.post("/studentPaper", this.form).then((res) => {
        if (res.code === '200') {
          this.$message.success("保存成功");
          this.dialogFormVisible = false;
          this.load();
        } else {
          this.$message.error("保存失败");
        }
      });
    },
    load() {
      //加载2条数据
      this.request.get("/studentPaper/page", {
        params: {
          pageNum: this.pageNum,
          pageSize: this.pageSize,
          name: this.name
        },
      }).then((res) => {
        console.log(res);
        this.tableData = res.data.records;
        this.total = res.data.total;
      });
      this.request.get("/exam/").then(res => {
        this.exams = res.data
      })
    },


    del(id) {
      this.request.delete("/studentPaper/" + id).then((res) => {
        if (res.code === "200") {
          this.$message.success("删除成功");
          this.load();
        } else {
          this.$message.error("删除失败");
        }
      });
    },
    handleSelectionChange(val) {
      // console.log(val)
      this.multipleSelection = val;
    },

    delBatch() {
      let ids = this.multipleSelection.map((v) => v.id); //[{},{},{}] => [1,2,3]
      console.log(ids);
      this.request.post("/studentPaper/del/batch/", ids).then((res) => {
        if (res.code === "200") {
          this.$message.success("批量删除成功");
          this.load();
        } else {
          this.$message.error("删除失败");
        }
      });
    },
    handleAdd() {
      this.dialogFormVisible = true;
      this.form = {};
    },
    //重置
    reset() {
      this.name = "";
      this.load();
    },
    handleEdit(row) {
      console.log("row=", row);
      this.form = row;
      this.dialogFormVisible = true;
    },
    handleSizeChange(pageSize) {
      console.log(pageSize);
      this.pageSize = pageSize;
      this.load();
    },
    handleCurrentChange(pageNum) {
      console.log(pageNum);
      this.pageNum = pageNum;
      this.load();
    },
  },
};
</script>

<style scoped>
.headerBg {
  background-color: #eee !important;
}
</style>